參數(shù)資料
型號: MB91353APMT
元件分類: 微控制器/微處理器
英文描述: RISC MICROCONTROLLER, PQFP120
封裝: 16 X 16 MM, 1.70 MM HEIGHT, 0.50 MM PPITCH, LEAD FREE, PLASTIC, LQFP-120
文件頁數(shù): 69/140頁
文件大?。?/td> 3803K
代理商: MB91353APMT
MB91350A Series
34
DS07-16503-5E
CCR (Condition Code Register)
SCR (System Condition Code Register)
Flag for stepwise division
Stores intermediate data for stepwise division operations.
Step trace trap flag
A flag specifying whether the step trace trap function is enabled or not.
The step trace trap function is used by the emulator. This function cannot be used by a user program while
using the emulator.
ILM
This register stores the interrupt level mask value. The value in the ILM register is used as the level mask.
Initialized to “15” (01111B) by a reset.
PC (Program Counter)
The program counter contains the address of the instruction currently being executed.
The initial value after a reset is indeterminate.
TBR (Table Base Register)
The table base register contains the start address of the vector table used for handling EIT events.
The initial value after a reset is 000FFC00H.
S : Stack flag. Cleared to “0” by a reset.
I
: Interrupt enable flag. Cleared to “0” by a reset.
N : Negative flag. The initial value after a reset is indeterminate.
Z : Zero flag. The initial value after a reset is indeterminate.
V : Overflow flag. The initial value after a reset is indeterminate.
C : Carry flag. The initial value after a reset is indeterminate.
Initial Value
CCR
- - 00XXXXB
bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0
SI
N
Z
V
C
Initial Value
SCR
XX0B
bit 10 bit 9 bit 8
D1
D0
T
Initial Value
ILM
01111B
bit 20 bit 19 bit 18 bit 17 bit 16
ILM4 ILM3 ILM2 ILM1 ILM0
Initial Value
XXXXXXXXH
bit 31
bit 0
PC
Initial Value
000 FFC0 0 H
bit 31
bit 0
TBR
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